Drug agents on Friday seized about $4,000 worth of heroin and $2,900 in cash after searching the residence of a Savannah man who had been under investigation since June.

Zachary Myers, 48, was taken into custody after selling controlled substances during an investigation conducted by the Chatham-Savannah Counter Narcotics Team, that agency announced Sunday. Agents began investigating Myers in June after receiving information he was selling controlled substances, said CNT spokesman Gene Harley. Undercover agents were able to gain Myers’ trust, Harley said, and purchased both crack cocaine and heroin from him.

Just after 6 a.m. Friday, CNT, the Savannah-Chatham police SWAT team and the Chatham County Sheriff’s Office K-9 Unit executed a warrant at Myers’ 1128 E. 38th St. residence. The search warrant resulted in the seizure of a trafficking amount of heroin and more than $2,900 in cash, Harley said. CNT estimated the street value of the heroin at $4,000.

Myers was charged with felony sale of controlled substances and use of a telecommunication device for crime. He is being held in the Chatham County jail and is expected to be arraigned today. Harley said additional felony charges are expected to be filed.

SWAT was present during the operation because Myers had several violent felony convictions, Harley said. He added that Friday’s arrest was the 23rd time Myers has been booked in Chatham County, his 10th drug-related arrest and his second arrest by CNT.